New answers tagged publishing-site
Please use the solution mentioned in the below question. even though it refers to SharePoint online still it works in 2010/2013 versions as well. Error in activating Publishing feature in SharePoint Online basically it uses powershell commands to activate the feature and you may also use STSADM commands to get the same behavior. Root Cause: there are ...
looks like you have duplicate content Type Name Pages, You have to delete it in order to activate the feature. check this one http://vivek-soni.blogspot.com/2010/07/duplicate-name-error-while-creating.html
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